Answer:35
Step-by-step explanation:
Imagine this pole of height h sticking out of the ground. A wire of length 15 feet connects the top of the pole to a stake in the ground which is located 5 feet from the base of the pole. This arrangement creates a right triangle with legs h (the height of the pole), 5 ft (distance of bottom of pole from stake) and hypotenuse 15 ft.
We can find the height of the pole (h) using either trig or the Pythagorean Theorem. If we use the P. T., then h^2 + 5^2 = 15^2.
This results in h^2 + 5^2 = 15^2, or h^2 + 25 = 225, and so:
h^2 = 200. Thus, h = +√200 = +10√2.
The height of the pole is 10√2 ft, or approx. 14.14 ft.
Answer:
2
Step-by-step explanation:
200=4(5)(9)+2(5)h
Simplify:
200=20(9)+10h
200=180+10h
Subtract 180 on both sides:
20=10h
Divide by 10:
h=2
Answer:
-62
Step-by-step explanation:
using bodmas (brackets,other,division, multiplication, addition and subtraction)
starting with brackets(6-68+9)
68+9 because adding comes before subtracting is 77
now 6-77 is -71
now multiplication 1-2(-71)
which is -1(-71) which is 71
now the 9 - 71 which is -62
